#joinUs {
  width: 100%;
  /*=====footer img======*/
}
#joinUs .w {
  width: 1000px !important;
  margin: auto;
}
#joinUs .banner {
  width: 100%;
  height: 572px;
  min-height: 572px;
  min-width: 1000px;
  position: relative;
  /*全景遮罩*/
}
#joinUs .banner .quanjingDark {
  position: absolute;
  top: 0;
  left: 0;
  background: url("../images/index/welPage-cover.png");
  background-size: cover;
  width: 100%;
  height: 100%;
  text-align: center;
}
#joinUs .banner .quanjingDark .firstTit {
  width: 400px;
  height: 207px;
  margin-top: 134px;
  margin-bottom: 21px;
}
#joinUs .banner .quanjingDark p {
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #FFFFFF;
  letter-spacing: 2.33px;
  text-align: center;
  line-height: 29px;
}
#joinUs .banner .quanjingDark a {
  display: block;
  width: 111px;
  height: 34px;
  margin: 0 auto;
  margin-top: 25px;
  position: relative;
  /*hover前 底层图片上边是定位的hover 但是它的透明度为0 所以看不见*/
  /*hover后的图片定位 但是透明度为0 不显示*/
}
#joinUs .banner .quanjingDark a img:first-child {
  width: 111px;
  height: 34px;
  opacity: 1;
}
#joinUs .banner .quanjingDark a img:last-child {
  width: 111px;
  height: 34px;
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
}
#joinUs .banner .quanjingDark a:hover img:first-child {
  opacity: 1;
  transition: opacity .4s;
}
#joinUs .banner .quanjingDark a:hover img:last-child {
  opacity: 1;
  transition: opacity .3s;
}
#joinUs .banner .quanjingDark .list {
  text-align: center;
  margin-top: 73px;
  margin-left: 50px;
}
#joinUs .banner .quanjingDark .list span {
  font-family: PingFangSC-Regular;
  font-size: 16px;
  color: #FFFFFF;
  letter-spacing: 3.46px;
  text-align: center;
  margin-right: 48px;
  cursor: pointer;
  border-bottom: 0 solid #ffffff;
  padding: 2px 0;
}
#joinUs .banner .quanjingDark .list span:hover {
  color: #ffffff;
  border-bottom: 2px solid #ffffff !important;
  transition: border-bottom 0.4s;
}
#joinUs .banner .quanjingDark .list span:first-child {
  color: #ffffff;
  border-bottom: 2px solid #ffffff;
}
#joinUs .title {
  width: 100%;
  text-align: center;
  font-size: 38px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: rgba(0, 0, 0, 0.87);
  line-height: 46px;
  margin-top: 73px;
  margin-bottom: 50px;
}
#joinUs .info {
  height: 466px;
  background: rgba(39, 84, 154, 0.02);
  padding-top: 50px;
  box-sizing: border-box;
}
#joinUs .info .commeBox {
  width: 500px;
  margin: auto;
  text-align: left;
  padding: 30px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.12);
}
#joinUs .info .commeBox:last-child {
  border-bottom: none;
}
#joinUs .info .commeBox .tit {
  font-size: 20px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: rgba(0, 0, 0, 0.87);
  line-height: 28px;
  margin-bottom: 10px;
}
#joinUs .info .commeBox .text {
  font-size: 16px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: rgba(0, 0, 0, 0.6);
  line-height: 24px;
}
#joinUs .fourecards {
  margin-top: 80px;
  margin-bottom: 45px;
}
#joinUs .fourecards .title {
  font-size: 20px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: rgba(0, 0, 0, 0.87);
  line-height: 28px;
}
#joinUs .fourecards .cards {
  width: 100%;
}
#joinUs .fourecards .cards .card {
  margin: auto;
  width: 25%;
  height: 378px;
  float: left;
  position: relative;
}
#joinUs .fourecards .cards .card .tit {
  width: 230px;
  text-align: center;
  font-size: 24px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: #ffffff;
  line-height: 33px;
  position: absolute;
  top: 45%;
}
#joinUs .fourecards .cards .card img {
  width: 235px;
  height: 378px;
}
#joinUs .Footer {
  width: 100%;
  height: 170px;
  background: #1d71b7;
  margin-top: 81px;
  box-sizing: border-box;
}
#joinUs .Footer .footw {
  width: 1000px;
  margin: auto;
  text-align: center;
  padding-top: 50px;
  box-sizing: border-box;
}
#joinUs .Footer .footw p {
  line-height: 24px;
  font-size: 18px;
  color: #fff;
  margin-bottom: 24px;
  font-family: Arial, Helvetica, sans-serif;
}